Home / 1,112,068.20-1,534,516.74-789,660.66

Finding the Fourth Proportional to 1,112,068.20, 1,534,516.74 and 789,660.66

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Solution

The fourth proportional to 1,112,068.20, 1,534,516.74 and 789,660.66 is: 1,089,634.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,112,068.20 : 1,534,516.74 = 789,660.66 : x
  2. Step 2: Convert to fraction form
    1,112,068.20/1,534,516.74 = 789,660.66/x
  3. Step 3: Cross multiply
    1,112,068.20x = 1,534,516.74 × 789,660.66
  4. Step 4: Simplify right side
    1,112,068.20x = 1,211,747,501,689.45
  5. Step 5: Solve for x
    x = 1,211,747,501,689.45/1,112,068.20
  6. Step 6: Final answer
    x = 1,089,634.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.